busybox: update to version 1.25.0

The following patches were removed:
010-networking-fix-uninitialized-memory-when-displaying-.patch
  https://git.busybox.net/busybox/commit/?id=f2c043acfcf9dad9fd3d65821b81f89986bbe54e

030-ip-fix-problem-on-mips64-n64-big-endian-musl-systems.patch
  https://git.busybox.net/busybox/commit/?id=4ab372d49a6e82b0bf097dedb96d26330c5f2d5f

204-udhcpc_src_ip_rebind.patch
  https://git.busybox.net/busybox/commit/?id=abe8f7515aded80889d78c2c1c8947997918cf90

230-ntpd_delayed_resolve.patch
  https://git.busybox.net/busybox/commit/?id=c8641962e4cbde48108ddfc1c105e3320778190d
  https://git.busybox.net/busybox/commit/?id=e4caf1dd9ce8569371a0eeb77ccf02a572dc0f11

260-arping_missing_includes.patch
  Not needed any more, still builds with musl for me.
  Add in 92fd6e6f1a "busybox: fix arping applet building on musl"

The Kconfig files were updated with these commands:
cd config
../convert_menuconfig.pl .../build_dir/target-*/busybox-1.25.0
cd ..
./convert_defaults.pl < .../build_dir/target-*/busybox-1.25.0/.config > Config-defaults.in

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

package/utils/busybox/patches/210-add_netmsg_util.patch

@@ -1,6 +1,6 @@
 --- a/include/applets.src.h
 +++ b/include/applets.src.h
-@@ -254,6 +254,7 @@ IF_MT(APPLET(mt, BB_DIR_BIN, BB_SUID_DRO
+@@ -229,6 +229,7 @@ IF_MT(APPLET(mt, BB_DIR_BIN, BB_SUID_DRO
  IF_MV(APPLET(mv, BB_DIR_BIN, BB_SUID_DROP))
  IF_NAMEIF(APPLET(nameif, BB_DIR_SBIN, BB_SUID_DROP))
  IF_NC(APPLET(nc, BB_DIR_USR_BIN, BB_SUID_DROP))
@@ -10,7 +10,7 @@
  IF_NOHUP(APPLET(nohup, BB_DIR_USR_BIN, BB_SUID_DROP))
 --- a/networking/Config.src
 +++ b/networking/Config.src
-@@ -626,6 +626,12 @@ config FEATURE_IPCALC_LONG_OPTIONS
+@@ -639,6 +639,12 @@ config FEATURE_IPCALC_LONG_OPTIONS
  	help
  	  Support long options for the ipcalc applet.